Omega

AndrewD
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Omega Geneve

Dear All,

I have been enjoying the simple design of this 1960’s Omega Geneve over the last few months. I understand that it was a bit of a ‘workhorse’ model in its day, but I think Omega were very good at this type of watch. I am new to these historical pieces and I would be very thankful if you could share your knowledge or experience with the Geneve and perhaps some images to show the different iterations over the years.

From what I can find on the Web, the Geneve was produced in the 1960’s and the serial number on this movement (29866083) indicates production in 1970. The movement is the hand wound Cal. 601, 27.9x3.85mm, 17 rubies, 19,800vph (2.75Hz), adjusted in two positions with a 50 hour power reserve. I read that the Cal. 601 was “Omega’s last in-house hand wound calibre” and was used in its low to mid level watches. What does this mean and can anyone tell me more?

The reference stamped on the case back is 135.070. I understand that this means leather strap (1), centre seconds with no date (3), hand wind (5) and case made in 1970 (.070). Am I on the right track here? Great that Omega would provide this sort of information on each watch.

The case itself looks to be gold plated (I assume that is what the “20 microns” on the case back refers to) and is not in great condition. It is 34mm in diameter but has a large crystal and uncluttered dial so wears quite large. Most importantly it has been keeping brilliant time since a service and is very pleasurable to wind.

I look forward to learning a lot more about vintage Omega’s.

Thanks for your time.

Andrew